BBC - Science & Nature - Horizon
Horizon producer David Sington on why predictions about the Earth's climate will need to be re-examined. Questions and answers about global dimming. The effect was first spotted by Gerry Stanhill, an English scientist working in Israel. Comparing Israeli sunlight records from the 1950s with current ones, Stanhill was astonished to find a large fall in solar radiation. "There was a staggering 22% drop in the sunlight, and that really amazed me," he says. Gerry called the phenomenon global dimming, but his...
Professor/Dean Mark H. Thiemens, Chemistry. University of California at San Diego, CA. Dr Al Thompson, Advanced Light Source. Lawrence Berkeley National Laboratory, CA. Professor Alan Gertler, University of Nevada/Desert Research Institute (ultra fine aerosol components of diesel). Mr Bill Walden, CERP, McClellan Air Force Base (ultra fines aerosols in modern foundries). University of California, Davis (aerosols and health). CA DPH/ UCSF (aerosols and health). Dr Dave Dietrich, Air Resource Specialists.